Correctly handle ices in metal chemistry (#1650)

Minor modifications to ensure we handle ices correctly in the metal chemistry network (following the methodology used in KROME - Grassi et al. 2014). Also updates the reference solution outputs (minor differences from what we already have).

.github/workflows/burn_cell_metal_chem.yml

@@ -39,14 +39,14 @@ jobs:
  cd unit_test/burn_cell_metal_chem
 
  declare -A line_numbers_map=(
- ["Z=1"]="4461 4463 4465 4467 4468 4471 4472 4475 4481 4486"
+ ["Z=1"]="4450 4452 4454 4456 4457 4460 4461 4464 4470 4475"
  ["Z=1_z10"]="1613 1615 4456 4458 4460 4463 4470 4476 4481"
  ["Z=1e-1"]="4438 4440 4442 4444 4445 4448 4449 4452 4458 4463"
  ["Z=1e-2"]="4438 4440 4442 4444 4445 4448 4449 4452 4458 4463"
  ["Z=1e-3"]="4438 4440 4442 4444 4445 4448 4449 4452 4458 4463"
  ["Z=1e-4"]="4438 4440 4442 4444 4445 4448 4449 4452 4458 4463"
  ["Z=1e-5"]="4438 4440 4442 4444 4445 4448 4449 4452 4458 4463"
- ["Z=1e-6"]="4438 4440 4442 4444 4445 4448 4449 4452 4458 4463"
+ ["Z=1e-6"]="4451 4453 4455 4457 4458 4461 4462 4465 4471 4476"
  )
 
  declare -A ref_map=(
@@ -92,9 +92,11 @@ jobs:
 
  # Adjust the line number for the reference file
  if [[ "$Z" == "Z=1" ]]; then
- reference_line_number=$((line_number - 4460))
+ reference_line_number=$((line_number - 4449))
  elif [[ "$Z" == "Z=1_z10" ]]; then
  reference_line_number=${ref_line_number_z10[$index]}
+ elif [[ "$Z" == "Z=1e-6" ]]; then
+ reference_line_number=$((line_number - 4450))
  else
  reference_line_number=$((line_number - 4437))
  fi

EOS/metal_chem/_parameters

@@ -3,11 +3,11 @@
 eos_gamma_default real 1.4
 
 # define the specie names, and their masses and gammas
-species_1_name string "co_ice"
+species_1_name string "co_total"
 species_1_gamma real 5./3.
 species_1_mass real 0.0
 
-species_2_name string "h2o_ice"
+species_2_name string "h2o_total"
 species_2_gamma real 5./3.
 species_2_mass real 0.0